Home / 28,044.29-38,691.41-17,978.29

Finding the Fourth Proportional to 28,044.29, 38,691.41 and 17,978.29

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Solution

The fourth proportional to 28,044.29, 38,691.41 and 17,978.29 is: 24,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.29 : 38,691.41 = 17,978.29 : x
  2. Step 2: Convert to fraction form
    28,044.29/38,691.41 = 17,978.29/x
  3. Step 3: Cross multiply
    28,044.29x = 38,691.41 × 17,978.29
  4. Step 4: Simplify right side
    28,044.29x = 695,605,337.71
  5. Step 5: Solve for x
    x = 695,605,337.71/28,044.29
  6. Step 6: Final answer
    x = 24,803.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.